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Rollup merge of #81631 - LingMan:rem_var, r=davidtwco

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Remove unneeded `mut` variable

`arg_elide` gets initialized, immediately cloned, and only written to after that.
The last reading access was removed back in
7704762604
This commit is contained in:
Jonas Schievink 2021-02-02 12:15:08 +01:00 committed by GitHub
parent d2f96a9b64 8e34522309
commit 73f859e912
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1 changed files with 1 additions and 8 deletions
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9
compiler/rustc_resolve/src/late/lifetimes.rs
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@ -2083,18 +2083,11 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> {
output: Option<&'tcx hir::Ty<'tcx>>,
) {
debug!("visit_fn_like_elision: enter");
let mut arg_elide = Elide::FreshLateAnon(Cell::new(0));
let arg_scope = Scope::Elision { elide: arg_elide.clone(), s: self.scope };
let arg_scope = Scope::Elision { elide: Elide::FreshLateAnon(Cell::new(0)), s: self.scope };
self.with(arg_scope, |_, this| {
for input in inputs {
this.visit_ty(input);
}
match *this.scope {
Scope::Elision { ref elide, .. } => {
arg_elide = elide.clone();
}
_ => bug!(),
}
});
let output = match output {